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Finding the Fourth Proportional to 254,693.60, 351,456.59 and 147,270.59

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Solution

The fourth proportional to 254,693.60, 351,456.59 and 147,270.59 is: 203,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,693.60 : 351,456.59 = 147,270.59 : x
  2. Step 2: Convert to fraction form
    254,693.60/351,456.59 = 147,270.59/x
  3. Step 3: Cross multiply
    254,693.60x = 351,456.59 × 147,270.59
  4. Step 4: Simplify right side
    254,693.60x = 51,759,216,875.05
  5. Step 5: Solve for x
    x = 51,759,216,875.05/254,693.60
  6. Step 6: Final answer
    x = 203,221.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.